Mg (OH) 2 is what type of acid / base?

Which of these statements is true about heat. 1. Heat always flows from cooler to warmer substances. 2. Heat doesn't flow between substances. 3. Heat always flows from warmer to cooler substances. 4.

A student investigated whether ants dig more tunnels in the light or in the dark. She noticed that she sees more ants during the daytime than at night and thought that ants would dig more tunnels during the daytime.

What happens to the temp a ture of a substance while it is changing stae?

if 2.22 moles of ammonia (NH3) decomposes according to the reaction shown how many moles of hydrogen (H2) are formed?

Identify each of the following as a representative element or a transition element: A) Lithium B) Platinum C) Promethium D) Carbon

In today's experiment, some lab students let their chromatograms elute slightly longer than others. If one student's solvent front traveled to 9.80 cm, and another student's solvent front traveled 8.

What does squeezing do to the particles of snow or ice?

The strong nuclear force holds together which two particles in an atom? Electrons and neutrons Protons and electrons Neutrons and protons Neutrons and beta particles

How many moles in 2.0g of carbon dioxide?

Why do the nuclides that are used as radiotracers have short half-lives?